trees

within 25 miles

Mar 21, 2026

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University of Freiburg

3Dtrees.earth

Collect data and tools for LiDAR-based forest monitoring

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentGeographyComputers & Technologyforestlidardronesinventorycomputer visionmonitoringremote sensingscanning

Agave Heritage Festival

Agave Heritage Festival: The Amazing Agave at Saguaro National Park

Saguaro National Park Arizona

April 9, 2026 at 7:00 AM

CommunityGeneral Science

Agave Heritage Festival

Agave Heritage Festival: The Amazing Agave at Saguaro National Park

Saguaro National Park Arizona

April 11, 2026 at 7:00 AM

CommunityGeneral Science

Ancient Tree Inventory

To build a living database of ancient trees

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsBiologytrees, united kingdom

2B Technologies, Inc.

AQTreks (AirQualityTreks)

Monitor air pollution levels and map air pollution around the US

Multiple locations, including yours!

Ongoing

Citizen ScienceNature & OutdoorsGeographyEducationCrowd FundingTransportationEcology & EnvironmentComputers & TechnologyClimate & WeatherChemistryOcean Water Marinemobile applicationusasmartphone applicationhikinginvestigationsummercarbon monoxidestemair quality indexglobal warmingcitizen scienceclimateec2020winterclimate changegirl scoutsairnatureweather dataair pollutioniphoneandroidappdatabaseenvironmentair pollution monitoringclimate monitoringair qualityscienceautumncarbon dioxideenvironmental justiceequitydataparticulate matteroutdoorsbicyclingspringcommunity-based monitoringexperimentweather

Arizona Worm Farm

Arizona Worm Farm: VIP Tour

Arizona Worm Farm Arizona

Ongoing through March 22, 2026 at 6:59 AM

CommunityGeneral Science

NC State University | ecoipm.org | YourWildLife.org

A Tree's Life

To learn how climate & urbanization affect tree growth & health

Multiple locations, including yours!

Ongoing

Citizen ScienceBiologyEducationClimate & WeatherNature & OutdoorsEcology & Environmenttreesurban ecologycarbon sequestrationclimate change

Cornell University/New York Department of Environmental Conservation

AVID (Assessing Vegetation Impacts from Deer)

Monitor the effects of deer browsing on woodland trees and plants

Multiple locations, including yours!

Ongoing through November 30, 2030 at 8:35 PM

Citizen ScienceAnimalsEcology & EnvironmentNature & Outdoorstreeswoodlandswildflowersdeerwildlifeseedlingsforestforest healthecology

Airigami

Balloon Breakdown

Help compost 40,000 latex balloons

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & Environmentballoonballoonscompostingcompost

Northern Rivers Fire and Biodiversity Consortium Inc.

Bell Miner Associated Dieback Best Practice Project

Evaluate the removal of mid-storey density in disturbed forests using prescribed fire, weed control and bush regeneration as a method to restore BMAD affected forest.

Anywhere

Ongoing

Citizen ScienceEducationEcology & EnvironmentBirds treesbell miner associated dieback (bmad) biodiversitybmad affected forestbird monitoringaustraliatree health across the northern rivers region of new south waleslocations of native bell miner colonieslandholdersgondwana world heritagedata birds

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